[mpich-discuss] MPICH Linking error with CVF 6.6c under windows XP

[jayesh at mcs.anl.gov]

Hi,
 Which version of MPICH2 are using (From the makefile looks like you are using an old version of MPICH - The latest version of MPICH2 is available at http://www.mcs.anl.gov/research/projects/mpich2/downloads/index.php?s=downloads)? The location of the mod files should be "c:\program files\MPICH2\include" (if your installation directory is the default - c:\program files\MPICH2) and the lib files (fmpich2s.lib) should be located at "c:\program files\MPICH2\lib".
 If you are using CHARACTER strings in your MPI program make sure that you disable mixed string length arguments (add "/iface:nomixed_str_len_arg" to your compiler flags) when compiling your code. If you disable the mixed string length args you should be able to compile/run your program successfully with fmpich2s.lib .
 First try compiling a simple helloworld program following the suggestions above and let us know if it works.

Regards,
Jayesh
 
----- Original Message -----
From: "Jayesh Krishna" <jayesh at mcs.anl.gov>
To: mpich-discuss at mcs.anl.gov
Sent: Monday, December 14, 2009 9:58:56 AM GMT -06:00 US/Canada Central
Subject: Re: [mpich-discuss] MPICH Linking error with CVF 6.6c under windows XP

Hi,
 Meanwhile, if you are not using CHARACTER strings in your MPI program (CHARACTER strings passed to MPI funcs) you should still be able to use fmpich2s.lib. Can you compile a simple MPI helloworld program ?

(PS: There are known problems with fmpich2s.lib when using CHARACTER strings at runtime.)
Regards,
Jayesh
----- Original Message -----
From: "Jayesh Krishna" <jayesh at mcs.anl.gov>
To: mpich-discuss at mcs.anl.gov
Sent: Monday, December 14, 2009 9:40:09 AM GMT -06:00 US/Canada Central
Subject: Re: [mpich-discuss] MPICH Linking error with CVF 6.6c under windows XP

Hi,
 I just noticed the subject which said you are using CVF to compile your MPI programs. The library fmpich2s.lib does not seem to work as it was intended. Let me take a look at it and get back to you.

(PS: If you have access to Intel fortran compiler things should work fine - using fmpich2.lib .)
Regards,
Jayesh
----- Original Message -----
From: jayesh at mcs.anl.gov
To: mpich-discuss at mcs.anl.gov
Sent: Monday, December 14, 2009 9:35:47 AM GMT -06:00 US/Canada Central
Subject: Re: [mpich-discuss] MPICH Linking error with CVF 6.6c under windows XP

Hi,
 Which compiler are you using (digital fortran ?)? Can you compile a simple MPI helloworld program ?

Regards,
Jayesh

----- Original Message -----
From: "roman v." <bopohob at gmail.com>
To: mpich-discuss at mcs.anl.gov
Sent: Friday, December 11, 2009 7:40:03 PM GMT -06:00 US/Canada Central
Subject: [mpich-discuss] MPICH Linking error with CVF 6.6c under windows XP

Linking...
mpi_comm_test.obj : error LNK2005: _MAIN__ already defined in MAIN_PROGRAM.OBJ
Debug/MAIN_PROGRAM.exe : fatal error LNK1169: one or more multiply
defined symbols found
Error executing link.exe.

MAIN_PROGRAM.exe - 2 error(s), 0 warning(s)

The exported make file is attached.  Please let me know how to fix this.

ps:  I am also trying to get the same thing to work with MPICH2 (I
really don't care which one as long as at least one of them works.)
There the linker can't gives an error when trying to link
fmpich2s.lib, however I know that it sees the file, because when I
tell it not to link to this file I get a lot of MPI errors as opposed
to when it tries to link and fails.

-- 
Sincerely,

Roman Voronov

Chemical Engineering PhD Candidate
ChE Graduate Senator 2005-2006
Founder of the RUssian Speaking Student Association (RUSSA) - A
Registered Student Organization of the University of Oklahoma
(405) 796-4087 http://www.ou.edu/russa

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